Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cea3.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:06:46 UTC · ↺ Refresh
MX Hostnames
- cea3-com.mail.protection.outlook.com
MX Priorities
- cea3-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p05.nsone.net hostmaster.nsone.net 1657612295 43200 7200 1209600 3600
Primary NS (mname)
dns1.p05.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1657612295
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.p05.nsone.net
dns4.p05.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p05.nsone.net
dns2.p05.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=T_aHsMrNCiKSHqaP8uPK6AeTkIB9Qece0dBCrxP8qSo
- SPFv=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:sendgrid.net -all
- google-site-verification=nzaMhDJKFl97fwLMYJ_DKhlkGoASS8BIQGbru7PYhxM
- MS=ms39485735
- _globalsign-domain-verification=OMepQImBLEGstRFeGXmyfLR9m02iCAY4RX9N-oPJY4
- google-site-verification=P4PNTVdedGL87JmTPATAzrDEZ2QeJmbNUHhZc-HuA-4
- MS=ms30209089
- docusign=e38ee81a-7daf-471a-bae5-01616a9defe4
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